OPC Historian .NET Server Toolkit Reference
OnDataChange Delegate

Definition of the generic server callback method.
DON'T USE IT DIRECTLY. Use the methods in the class GenericServer instead.
Syntax
'Usage
 
Dim instance As New OnDataChange(AddressOf HandlerMethod)
public delegate int OnDataChange( 
   int transactionID,
   int status,
   int numItems,
   OPCHDAItem[] itemValues,
   int[] errors
)

Parameters

transactionID
status
numItems
itemValues
errors
Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

OnDataChange Members
I_HDAPlugin Namespace

 

 


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